package mapper;

import org.apache.ibatis.annotations.*;
import pojo.Brand;

import java.util.List;

public interface BrandMapper {
    //查询使用品牌(基本)
    @Select("select * from t_brand")
    @ResultMap("brandResultMap")
    List<Brand> selectAll();

    //新增品牌
    @Insert("insert into t_brand values(null ,#{brandName},#{companyName},#{ordered},#{description},#{status})")
    void add(Brand brand);

    //单个查询
    @ResultMap("brandResultMap")
    @Select("select * from t_brand where id = #{id}")
    Brand selectById(int id);

    //修改一个品牌
    @Update("update t_brand set brand_name=#{brandName},company_name=#{companyName}," +
            "ordered=#{ordered},description=#{description},status=#{status} " +
            "where id=#{id}")
    void update(Brand brand);

    //删除一个品牌
    @Delete("delete from t_brand where id=#{id}")
    void deleteById(int id);

    //以下是分页查询
    //分页查询所有品牌
    @ResultMap("brandResultMap")
    @Select("select * from t_brand limit #{beginIndex},#{pageSize}")
    List<Brand> selectAllPage(@Param("beginIndex") int beginIndex,
                              @Param("pageSize") int pageSize);

    //查询品牌总数量
    @Select("SELECT count(1) FROM t_brand")
    int selectCount();

    //分页条件查询
    List<Brand> selectByPageAndCondition(@Param("beginIndex") int beginIndex,
                                          @Param("pageSize") int pageSize,
                                          @Param("brand") Brand brand);

    //条件查询总记录数
    List<Brand> selectTotalCountByCondition(@Param("status") int status, @Param("brandName") String brandName);


    //批量删除
    void deleteByIds(@Param("ids") int[] ids);


}
